Describe what happens on a particle level when a liquid is at its boiling point

When an object is heated it contracts. a. true b. false

Which of the following list the divisions of the geologic time scale in order from longest to shortest

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f